WordNet (r) 3.0 (2006):

deserts
    n 1: an outcome (good or bad) that is well deserved [syn:
         deserts, comeuppance, comeupance]

Moby Thesaurus II by Grady Ward, 1.0:

41 Moby Thesaurus words for "deserts":
   castigation, chastening, chastisement, comeuppance, compensation,
   condign punishment, correction, desert, disciplinary measures,
   discipline, due reward, dues, ferule, infliction, judgment,
   judicial punishment, just deserts, merits, nemesis, pains,
   pains and punishments, pay, payment, penal retribution, penalty,
   penology, punishment, punition, quittance, recompense, reprisal,
   requital, retribution, retributive justice, revenge, reward,
   scourge, well-deserved punishment, what is due, what is merited,
   what-for